Cita APA (7a ed.)

American Association for the Advancement of Science & Pengelley, E. T. (1974). Circannual clocks; annual biological rhythms. Academic Press.

Cita Chicago Style (17a ed.)

American Association for the Advancement of Science y Eric T. Pengelley. Circannual Clocks; Annual Biological Rhythms. New York: Academic Press, 1974.

Cita MLA (8a ed.)

American Association for the Advancement of Science y Eric T. Pengelley. Circannual Clocks; Annual Biological Rhythms. Academic Press, 1974.